ffi-zlib
A ruby-ffi wrapper for the zlib library.
Installation
From GitHub hosted gems
sudo gem sources -a http://gems.github.com # (you only need to do this once)
sudo gem install ffi-zlib
Building your own gems
rake gem
sudo gem install ffi-zlib-x.x.x.gem
Usage
ffi-zlib being a very thin wrapper roughly reproducing the zlib header(s), you can simply refer to the zlib manual for details and usage.